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English: Block diagram of the Intel 8086 microprocessor 1. Block of general purpose registers, 2 Block segment registers, 3 20 BIT combiner, 4 Internal bus C, 5 Queue commands, 6 The control system, 7 The control system bus, 8 Internal Bus A, 9 Arithmetic logic unit (ALU), 10 Address bus, 11 Data bus, 12 Rail Control F. Registry tags, AX -accumulator , BX - register base CX - counting register ...
The 8086 [3] (also called iAPX 86) [4] is a 16-bit microprocessor chip designed by Intel between early 1976 [citation needed] and June 8, 1978, when it was released. [5] The Intel 8088, released July 1, 1979, [6] is a slightly modified chip with an external 8-bit data bus (allowing the use of cheaper and fewer supporting ICs), [note 1] and is notable as the processor used in the original IBM ...
A block diagram of the architecture of the Z80 microprocessor, showing the arithmetic and logic section, ... The 8087 works with the 8086/8088 and 80186/80188, [58] ...
A block diagram is a diagram of a system in which the principal parts or functions are represented by blocks connected by lines that show the relationships of the blocks. [1] They are heavily used in engineering in hardware design , electronic design , software design , and process flow diagrams .
Below is the full 8086/8088 instruction set of Intel (81 instructions total). [2] These instructions are also available in 32-bit mode, in which they operate on 32-bit registers (eax, ebx, etc.) and values instead of their 16-bit (ax, bx, etc.) counterparts.
8086 first x86 processor; initially a temporary substitute for the iAPX 432 to compete with Motorola, Zilog, and National Semiconductor and to top the successful Z80. The 8088 version, with an 8-bit bus, was used in the original IBM Personal Computer. 186 included a DMA controller, interrupt controller, timers, and chip select logic. A small ...
A greatly simplified block diagram of the 80186 architecture Die of Intel 80186. The 80186 series was designed to reduce the number of integrated circuits required. It included features such as clock generator, interrupt controller, timers, wait state generator, DMA channels, and external chip select lines.
Block diagram showing FDC communication with the CPU and the FDD. Most of the floppy disk controller (FDC) functions are performed by the integrated circuit but some are performed by external hardware circuits. The list of functions performed by each is given below.